Saakashvili eats his tie - bizarre!

A 2-minute BBC News report about Georgia attacking South Ossetia and the Russians coming to their aid. The bizarre moment occurs at 1 minute into the report, when Georgian president Saakashvili is shown chewing on his tie. Presumably it's a reflection of nervous tension, sort of like trichotillomania, but it is certainly unsettling to see in a head of state...